there is no difference between a regular page load and ajax see here
http://wicketstuff.org/wicket13/ajax/choice.1 -igor On Nov 13, 2007 7:13 PM, Toscano <[EMAIL PROTECTED]> wrote: > > Hello, > > I have two Dropdowns: Countries and Regions. When changing Countries, it > goes to database and refresh the Regions with Ajax nicely. > > The first time the page loads, it will get the selected country from the > database, and should show the regions but I don't really know how to do > this. Normally, I can do with LoadableDetachableModel, and then assigning > the ModelValue that corresponds, but with the Ajax behaviour I'm totally > lost. > > Here is my code: > > countryWork.add(new AjaxFormComponentUpdatingBehavior("onchange") > { > protected void onUpdate(AjaxRequestTarget target) > { > target.addComponent(regionWork); > regions = > getRegionDaoInterface().getRegions(professionalInfo.getCountryWork().getCountryID()); > if (regions.size()==0) regionWork.setEnabled(false); > else regionWork.setEnabled(true); > } > }); > > Model regionModelChoices = new AbstractReadOnlyModel() > { > public Object getObject(Component component) > { > if (professionalInfo.getCountryWork()!=null) > regions = > getRegionDaoInterface().getRegions(professionalInfo.getCountryWork().getCountryID()); > if (regions==null || regions.size()==0) > regionWork.setEnabled(false); > else > regionWork.setEnabled(true); > return regions; > } > }; > > > How to load regions from a given country the first time the page loads > without losing the ajax behaviour? > > As always, thank you very very much for your support, help, and time. > Oskar > > > -- > View this message in context: > http://www.nabble.com/DropdownChoice%2C-Ajax%2C-and-LoadableDetachableModel-tf4801900.html#a13739163 > Sent from the Wicket - User mailing list archive at Nabble.com. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
